Bump class-transformer from 0.2.0 to 0.3.1

Bumps [class-transformer](https://github.com/typestack/class-transformer) from 0.2.0 to 0.3.1.
- [Release notes](https://github.com/typestack/class-transformer/releases)
- [Changelog](https://github.com/typestack/class-transformer/blob/develop/CHANGELOG.md)
- [Commits](typestack/class-transformer@v0.2.0...v0.3.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -24,7 +24,7 @@
     "@nestjs/platform-express": "^6.1.1",
     "@nestjs/terminus": "^6.1.2",
     "@nestjs/testing": "6.1.1",
-    "class-transformer": "0.2.0",
+    "class-transformer": "0.3.1",
     "class-validator": "0.9.1",
     "consul": "^0.34.1",
     "grpc": "^1.24.2",

yarn.lock

@@ -667,9 +667,10 @@ chownr@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.1.tgz#54726b8b8fff4df053c42187e801fb4412df1494"
 
-[email protected]:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/class-transformer/-/class-transformer-0.2.0.tgz#e54b34112e8ef7f913ef938c81fed8ed949fc9c7"
+[email protected]:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/class-transformer/-/class-transformer-0.3.1.tgz#ee681a5439ff2230fc57f5056412d3befa70d597"
+  integrity sha512-cKFwohpJbuMovS8xVLmn8N2AUbAuc8pVo4zEfsUVo8qgECOogns1WVk/FkOZoxhOPTyTYFckuoH+13FO+MQ8GA==
 
 [email protected]:
   version "0.9.1"